:root {
    --admin-primary: #2563eb;
    --admin-primary-dark: #1d4ed8;
    --admin-primary-light: #dbeafe;
    --admin-secondary: #64748b;
    --admin-success: #059669;
    --admin-success-light: #d1fae5;
    --admin-warning: #d97706;
    --admin-warning-light: #fef3c7;
    --admin-danger: #dc2626;
    --admin-danger-light: #fee2e2;
    --admin-info: #0891b2;
    --admin-info-light: #cffafe;

    --admin-bg: #f1f5f9;
    --admin-surface: #ffffff;
    --admin-sidebar: #0f172a;
    --admin-sidebar-hover: #1e293b;
    --admin-sidebar-active: #2563eb;
    --admin-border: #e2e8f0;
    --admin-text: #0f172a;
    --admin-text-muted: #64748b;
    --admin-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --admin-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    --admin-shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --admin-radius: 14px;
    --admin-radius-sm: 10px;
    --admin-sidebar-width: 280px;
    --admin-header-height: 72px;
    --admin-transition: 0.2s ease;
}

* {
    box-sizing: border-box;
}

body.admin-body {
    margin: 0;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-size: 0.925rem;
    line-height: 1.5;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #e2e8f0;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform var(--admin-transition);
    box-shadow: var(--admin-shadow-lg);
}

.admin-sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.admin-sidebar-brand img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.08);
}

.admin-sidebar-brand-text h2 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.admin-sidebar-brand-text span {
    font-size: 0.75rem;
    color: #94a3b8;
}

.admin-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.875rem 1.5rem;
}

.admin-nav-section {
    margin-bottom: 1.25rem;
}

.admin-nav-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.72rem 0.875rem;
    border-radius: 10px;
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--admin-transition);
    margin-bottom: 0.25rem;
}

.admin-nav-link i {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
}

.admin-nav-link:hover {
    background: var(--admin-sidebar-hover);
    color: #fff;
}

.admin-nav-link.active {
    background: rgba(37, 99, 235, 0.18);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--admin-sidebar-active);
}

.admin-nav-link.active i {
    color: #60a5fa;
}

.admin-sidebar-footer {
    padding: 1rem 0.875rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-main-wrapper {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    height: var(--admin-header-height);
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: var(--admin-shadow-sm);
}

.admin-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-sidebar-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
    border-radius: 10px;
    color: var(--admin-text);
    cursor: pointer;
}

.admin-topbar-search {
    position: relative;
    width: min(360px, 100%);
}

.admin-topbar-search i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
}

.admin-topbar-search input {
    width: 100%;
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    background: #f8fafc;
    transition: all var(--admin-transition);
}

.admin-topbar-search input:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background: #fff;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
    color: var(--admin-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all var(--admin-transition);
}

.admin-icon-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.admin-icon-btn .badge-dot {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--admin-danger);
}

.admin-profile-dropdown {
    position: relative;
}

.admin-profile-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
    border-radius: 999px;
    padding: 0.35rem 0.75rem 0.35rem 0.35rem;
    cursor: pointer;
    transition: all var(--admin-transition);
}

.admin-profile-btn:hover {
    background: #f8fafc;
}

.admin-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.admin-profile-meta {
    text-align: left;
}

.admin-profile-meta strong {
    display: block;
    font-size: 0.82rem;
    line-height: 1.2;
}

.admin-profile-meta span {
    font-size: 0.72rem;
    color: var(--admin-text-muted);
}

.admin-dropdown-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    min-width: 220px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    box-shadow: var(--admin-shadow-lg);
    padding: 0.5rem;
    display: none;
    z-index: 1050;
}

.admin-dropdown-menu.show {
    display: block;
}

.admin-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    color: var(--admin-text);
    text-decoration: none;
    transition: background var(--admin-transition);
}

.admin-dropdown-item:hover {
    background: #f8fafc;
    color: var(--admin-primary);
}

.admin-dropdown-divider {
    height: 1px;
    background: var(--admin-border);
    margin: 0.35rem 0;
}

.admin-page-content {
    padding: 1.5rem;
    flex: 1;
}

.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    margin-bottom: 0.35rem;
}

.admin-breadcrumb a {
    color: var(--admin-text-muted);
    text-decoration: none;
}

.admin-breadcrumb a:hover {
    color: var(--admin-primary);
}

.admin-breadcrumb-current {
    color: var(--admin-text);
    font-weight: 600;
}

.admin-page-title {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.admin-page-subtitle {
    margin: 0.35rem 0 0;
    color: var(--admin-text-muted);
}

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow-sm);
    margin-bottom: 1.25rem;
}

.admin-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-card-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-card-body {
    padding: 1.25rem;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
    box-shadow: var(--admin-shadow-sm);
    transition: transform var(--admin-transition), box-shadow var(--admin-transition);
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow);
}

.admin-stat-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.admin-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.admin-stat-icon.primary { background: var(--admin-primary-light); color: var(--admin-primary); }
.admin-stat-icon.success { background: var(--admin-success-light); color: var(--admin-success); }
.admin-stat-icon.warning { background: var(--admin-warning-light); color: var(--admin-warning); }
.admin-stat-icon.danger { background: var(--admin-danger-light); color: var(--admin-danger); }

.admin-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.admin-stat-label {
    color: var(--admin-text-muted);
    font-size: 0.85rem;
}

.admin-dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
}

.admin-quick-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.admin-quick-action {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--admin-text);
    transition: all var(--admin-transition);
}

.admin-quick-action:hover {
    border-color: var(--admin-primary);
    background: #eff6ff;
    color: var(--admin-primary);
}

.admin-activity-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-activity-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--admin-border);
}

.admin-activity-item:last-child {
    border-bottom: 0;
}

.admin-activity-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-activity-icon.birth { background: #dbeafe; color: #2563eb; }
.admin-activity-icon.death { background: #fee2e2; color: #dc2626; }

.admin-search-toolbar {
    display: grid;
    grid-template-columns: 1.2fr 1.5fr auto auto;
    gap: 0.875rem;
    align-items: end;
}

.admin-form-group label,
.admin-field-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 0.4rem;
}

.admin-form-group .required::after,
.admin-field-label.required::after {
    content: " *";
    color: var(--admin-danger);
}

.admin-form-control,
.admin-page-content .form-control,
.admin-page-content .form-select {
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    min-height: 44px;
    transition: all var(--admin-transition);
}

.admin-form-control:focus,
.admin-page-content .form-control:focus,
.admin-page-content .form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.admin-form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.admin-form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.admin-form-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--admin-transition);
    text-decoration: none;
    min-height: 44px;
}

.admin-btn-primary,
.admin-page-content .btn-dark,
.admin-page-content .btn-primary {
    background: var(--admin-primary) !important;
    color: #fff !important;
    border: 1px solid var(--admin-primary) !important;
}

.admin-btn-primary:hover,
.admin-page-content .btn-dark:hover {
    background: var(--admin-primary-dark) !important;
    border-color: var(--admin-primary-dark) !important;
}

.admin-btn-secondary {
    background: #f8fafc;
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
}

.admin-btn-secondary:hover {
    background: #eef2f7;
}

.admin-btn-success {
    background: var(--admin-success);
    color: #fff;
}

.admin-btn-success:hover {
    background: #047857;
}

.admin-btn-danger,
.admin-page-content .btn-danger {
    background: var(--admin-danger) !important;
    color: #fff !important;
    border-color: var(--admin-danger) !important;
}

.admin-btn-outline {
    background: transparent;
    color: var(--admin-primary);
    border: 1px solid var(--admin-primary);
}

.admin-btn:disabled,
.admin-btn.disabled {
    opacity: 0.55;
    pointer-events: none;
}

.admin-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.admin-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.admin-table-wrapper {
    overflow-x: auto;
}

.admin-table,
.admin-page-content .table {
    width: 100%;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table thead th,
.admin-page-content .table thead th {
    background: #f8fafc;
    color: var(--admin-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.875rem 0.75rem;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
}

.admin-table tbody td,
.admin-page-content .table tbody td {
    padding: 0.875rem 0.75rem;
    border-bottom: 1px solid var(--admin-border);
    vertical-align: middle;
}

.admin-table tbody tr,
.admin-page-content .table tbody tr {
    transition: background var(--admin-transition);
}

.admin-table tbody tr:hover,
.admin-page-content .table tbody tr:hover {
    background: #f8fafc;
}

.admin-table tbody tr.selected-row,
.admin-page-content .table tbody tr.selected-row {
    background: #eff6ff !important;
    color: var(--admin-text) !important;
}

.admin-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
}

.admin-badge-success { background: var(--admin-success-light); color: var(--admin-success); }
.admin-badge-warning { background: var(--admin-warning-light); color: var(--admin-warning); }
.admin-badge-danger { background: var(--admin-danger-light); color: var(--admin-danger); }
.admin-badge-info { background: var(--admin-info-light); color: var(--admin-info); }

.admin-alert {
    border-radius: 12px;
    padding: 0.875rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-alert-content {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.admin-alert-success { background: var(--admin-success-light); border-color: #a7f3d0; color: #065f46; }
.admin-alert-danger { background: var(--admin-danger-light); border-color: #fecaca; color: #991b1b; }
.admin-alert-warning { background: var(--admin-warning-light); border-color: #fde68a; color: #92400e; }
.admin-alert-info { background: var(--admin-info-light); border-color: #a5f3fc; color: #155e75; }

.admin-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.admin-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.admin-empty-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--admin-text-muted);
}

.admin-empty-state h3 {
    margin: 0 0 0.5rem;
}

.admin-empty-state p {
    margin: 0 0 1rem;
    color: var(--admin-text-muted);
}

.admin-modal .modal-content,
.admin-page-content .modal-content {
    border: none;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow-lg);
}

.admin-modal .modal-header,
.admin-page-content .modal-header {
    border-bottom: 1px solid var(--admin-border);
    padding: 1rem 1.25rem;
}

.admin-modal .modal-footer,
.admin-page-content .modal-footer {
    border-top: 1px solid var(--admin-border);
    padding: 1rem 1.25rem;
}

.admin-profile-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.25rem;
}

.admin-profile-card {
    text-align: center;
}

.admin-profile-card .admin-avatar {
    width: 96px;
    height: 96px;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.admin-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--admin-success-light);
    color: var(--admin-success);
    font-size: 0.78rem;
    font-weight: 700;
}

.admin-settings-list {
    display: grid;
    gap: 1rem;
}

.admin-settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
}

.admin-loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.72);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.admin-loader-overlay.show {
    display: flex;
}

.admin-spinner {
    width: 42px;
    height: 42px;
    border: 3px solid #dbeafe;
    border-top-color: var(--admin-primary);
    border-radius: 50%;
    animation: adminSpin 0.8s linear infinite;
}

.admin-table-loading {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text-muted);
}

.admin-skeleton {
    background: linear-gradient(90deg, #eef2f7 25%, #f8fafc 50%, #eef2f7 75%);
    background-size: 200% 100%;
    animation: adminSkeleton 1.2s ease-in-out infinite;
    border-radius: 8px;
    height: 14px;
}

@keyframes adminSpin {
    to { transform: rotate(360deg); }
}

@keyframes adminSkeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.admin-toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2100;
    display: grid;
    gap: 0.75rem;
    max-width: 360px;
}

.admin-toast {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-left: 4px solid var(--admin-primary);
    border-radius: 12px;
    box-shadow: var(--admin-shadow);
    padding: 0.875rem 1rem;
    animation: adminToastIn 0.25s ease;
}

.admin-toast.success { border-left-color: var(--admin-success); }
.admin-toast.error { border-left-color: var(--admin-danger); }

@keyframes adminToastIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1035;
}

.admin-form-card .form-outline {
    margin-bottom: 0;
}

.admin-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    min-height: 44px;
}

@media (max-width: 1200px) {
    .admin-stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-sidebar-overlay.show {
        display: block;
    }

    .admin-main-wrapper {
        margin-left: 0;
    }

    .admin-sidebar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .admin-topbar-search {
        display: none;
    }

    .admin-profile-grid,
    .admin-form-grid-2,
    .admin-form-grid-3,
    .admin-search-toolbar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-page-content {
        padding: 1rem;
    }

    .admin-stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-quick-actions {
        grid-template-columns: 1fr;
    }

    .admin-profile-meta {
        display: none;
    }

    .admin-pagination {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-pagination .admin-btn {
        width: 100%;
    }
}